Merge pull request #159 from niels-nijens/fix-boolquery-getqueries

Fix notice in BoolQuery::getQueries when nothing is added to bool type

src/Query/BoolQuery.php

@@ -42,7 +42,10 @@ class BoolQuery implements BuilderInterface
     }
 
     /**
-     * @param  null $boolType
+     * Returns the query instances (by bool type).
+     *
+     * @param  string|null $boolType
+     *
      * @return array
      */
     public function getQueries($boolType = null)
@@ -57,7 +60,11 @@ class BoolQuery implements BuilderInterface
             return $queries;
         }
 
-        return $this->container[$boolType];
+        if (isset($this->container[$boolType])) {
+            return $this->container[$boolType];
+        }
+
+        return [];
     }
 
     /**

tests/Query/BoolQueryTest.php

@@ -112,4 +112,54 @@ class BoolQueryTest extends \PHPUnit_Framework_TestCase
         ];
         $this->assertEquals($expected, $bool->toArray());
     }
+
+    /**
+     * Tests if BoolQuery::getQueries returns an empty array.
+     */
+    public function testGetQueriesEmpty()
+    {
+        $bool = new BoolQuery();
+
+        $this->assertInternalType('array', $bool->getQueries());
+    }
+
+    /**
+     * Tests if BoolQuery::getQueries returns an array with the added queries of all bool types.
+     */
+    public function testGetQueries()
+    {
+        $query = new TermQuery('key1', 'value1');
+        $query2 = new TermQuery('key2', 'value2');
+
+        $bool = new BoolQuery();
+        $bool->add($query, BoolQuery::MUST, 'query');
+        $bool->add($query2, BoolQuery::SHOULD, 'query2');
+
+        $this->assertSame(array('query' => $query, 'query2' => $query2), $bool->getQueries());
+    }
+
+    /**
+     * Tests if BoolQuery::getQueries with specified bool type returns an empty array.
+     */
+    public function testGetQueriesByBoolTypeEmpty()
+    {
+        $bool = new BoolQuery();
+
+        $this->assertInternalType('array', $bool->getQueries(BoolQuery::MUST));
+    }
+
+    /**
+     * Tests if BoolQuery::getQueries with specified bool type returns an array with added queries.
+     */
+    public function testGetQueriesByBoolTypeWithQueryAddedToBoolType()
+    {
+        $query = new TermQuery('key1', 'value1');
+        $query2 = new TermQuery('key2', 'value2');
+
+        $bool = new BoolQuery();
+        $bool->add($query, BoolQuery::MUST, 'query');
+        $bool->add($query2, BoolQuery::SHOULD, 'query2');
+
+        $this->assertSame(array('query' => $query), $bool->getQueries(BoolQuery::MUST));
+    }
 }